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The main point was going to be that we still need manned space missions and exploration. I was using the voyager and rover missions to show that they were invaluable but we still need manned missions. The main this i wanted to persuade were. 1. NASA needs i bigger budget to continue...

I'am doing doing a persuasive speech on the manned space program. I have a general outline starting with the history of NASA : space race, cold war, Apollo landings etc. I then go on to talk about the decline in manned space exploration and then switch to space probes and robotic exploration. I...

I need some ideas for a physics or astronomy related speech?